Gaunt, Leonard <br/><br/>
The focalguide to lenses / 
by Leonard Gaunt 
 - London  :  Focal Press,  1977 
 - 206 p.  :  ill.  ;  19 cm. 
<br/><br/><label>ISBN: </label>0240509595 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lenses, Photographic